1) The double-tap Home iPod/soon-to-be-other-music-app controls are sometimes greyed out and cannot be pressed, either while currently playing a song or not. Usually, going into iPod app and selecting a different song, skipping around back and forth between a couple songs will re-enable them.

2) When setting up Gmail IMAP account, if you set option to Archive messages to off, Mail app still shows red archive dialogue box when deleting an e-mail rather than showing red delete dialogue box. Rebooting phone after making the setting change fixes this.

When listening to audio (Pandora or iPod) and an email arrives, instead of the sound dip-notification tone-sound rise that's supposed to happen, the notification tone plays by itself, and then 2 seconds later the sound cuts out entirely for 1 second.

When listening to audio (Pandora or iPod) and an email arrives, instead of the sound dip-notification tone-sound rise that's supposed to happen, the notification tone plays by itself, and then 2 seconds later the sound cuts out entirely for 1 second.

VERY annoying, introduced in b4, NOT fixed in GM.

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I have this bug too. Probably the most annoying thing with iOS 4 right now.

I am having a very buggy experience with Mail on the iOS4 GM on iPhone 3GS, I have 5 email accounts and Mail is either crashing, or worse, resetting my iPhone! The iPod on the iPhone has crashed a few times too. I've been an iPhone owner for over two years and neither of these apps have ever crashed before.

The amount of 3rd party apps that won't even launch is a surprise and those that do, a good few of them crash randomly. Including heavy hitters like Linkedin. I hope this will be fixed with updates over the coming weeks.

Not to mention that I'm also having significant issues with loss mobile phone reception too, 3G and Edge not as good as they were and battery life is being zapped by iOS4 too.

As for multitasking, you just end up with 20 apps in the taskbar by the end of the day. Exiting apps has not become a chore (holding down button, apps wobble, click close), why we can't just flick them to close is strange.

Overall I think Apple aren't ready with iOS4 just yet, and if this GM is the same version released in two weeks time expect widespread issues.

iTunes 9.2 has issues too, especially with ordering App through it for your iPhone screen. I was able to create 3 Settings app icons, just not working as well as it did before Folders.

As for multitasking, you just end up with 20 apps in the taskbar by the end of the day. Exiting apps has not become a chore (holding down button, apps wobble, click close), why we can't just flick them to close is strange.

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Those aren't necessarily running apps, and most probably aren't, it just keeps a list of all apps you've run there.

After updating my iPhone to the GM build of iOS4 last Friday, I've not been able to open my pdf attachments in my email. Like JPG email attachments, I essentially see the first page of the pdf at the bottom of the email, but I can't access the rest of it -- i.e. there's no longer any blue outlined box that signifies a downloaded pdf file that I touch in the email that lets me access the whole file, I only see the first page of the pdf at the bottom of the email after it downloads. Is anyone else having this issue? Is there a setting I'm ignoring here that's causing this problem or is it a bug?

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